github.com/amazechain/amc@v0.1.3/modules/rawdb/accessors_account.go (about)

     1  // Copyright 2023 The AmazeChain Authors
     2  // This file is part of the AmazeChain library.
     3  //
     4  // The AmazeChain library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The AmazeChain library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the AmazeChain library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package rawdb
    18  
    19  import (
    20  	"github.com/amazechain/amc/common/account"
    21  	"github.com/amazechain/amc/common/types"
    22  	"github.com/amazechain/amc/modules"
    23  	"github.com/ledgerwatch/erigon-lib/kv"
    24  )
    25  
    26  func GetAccount(db kv.Tx, addr types.Address, acc *account.StateAccount) (bool, error) {
    27  	enc, err := db.GetOne(modules.Account, addr[:])
    28  	if err != nil {
    29  		return false, err
    30  	}
    31  	if len(enc) == 0 {
    32  		return false, nil
    33  	}
    34  	if err = acc.DecodeForStorage(enc); err != nil {
    35  		return false, err
    36  	}
    37  	return true, nil
    38  }